20241244003997 has 2 divisors, whose sum is σ = 20241244003998. Its totient is φ = 20241244003996.

The previous prime is 20241244003957. The next prime is 20241244004041. The reversal of 20241244003997 is 79930044214202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17107331482201 + 3133912521796 = 4136101^2 + 1770286^2 .

It is a cyclic number.

It is not a de Polignac number, because 20241244003997 - 2¹⁸ = 20241243741853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20241244003957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10120622001998 + 10120622001999.

It is an arithmetic number, because the mean of its divisors is an integer number (10120622001999).

Almost surely, 2^{20241244003997} is an apocalyptic number.

It is an amenable number.

20241244003997 is a deficient number, since it is larger than the sum of its proper divisors (1).

20241244003997 is an equidigital number, since it uses as much as digits as its factorization.

20241244003997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 20241244003997 in words is "twenty trillion, two hundred forty-one billion, two hundred forty-four million, three thousand, nine hundred ninety-seven".